If you are in search of 9th Class Notes for Chemistry to prepare for your annual exams or for a test, than you are at the right place.
Here you can get 9th class notes for all chapters. For your comfort there are two options available, you can read these notes online or you can download them to use them in future as you need. These notes are extremely helpful for those who want to prepare for there annual exams in a very short period.
9th class chemistry notes for all chapters are given below for you to download or to preview online. These notes are absolutely free. We hope these notes will help you to get higher marks in exams and to show excellent achievement in future. If you like these notes than you can suggest smadent notes to your friends. It will motivate us to serve you more.
|1||Fundamentals of chemistry|
|2||Structure of atoms|
|3||Periodic Table and Periodicity of Properties|
|4||Structure of Molecules|
|5||Physical states of Matter|
You will be able to identify and provide examples of different branches of chemistry, differentiate among branches of chemistry, distinguish between matter and a substance, define ions, molecular ions, formula units and free radicals. You will be able to describe how Avogadro's number is related to a mole of any substance, change atomic mass, molecular mass and formula mass into a gram atomic mass, gram molecular mass and gram formula mass.
After studying this chapter you will be able to describe the contributions that Rutherford made to the development of the Atomic Theory, explain how Bohr's atomic theory differed, describe the structure of the atom including the location of the proton, electron and neutron. You will be able to define isotopes, compare isotopes of an atom, discuss the properties of the isotopes of H, C, Cl, U and draw the structure of different isotopes from the mass number and atomic number.
After studying this unit you will be able to distinguish between period and group in the Periodic table, state the Periodic law, classify elements (into two categories: groups and periods) according to configuration of their outemost electrons. You will also learn to determine the demarcation of the periodic table into s-block and p-block, explain the shape of the periodic table, recognize the similarly in the physical and chemical properties of elements in the same family of the elements.
You will be able to find the number of valence electrons in an atom using teh Periodic Table, describe the importance of noble gas electronic configurations, state the octet and duplet rule, explain how elements attain stability, describe the ways in which bonds may be formed, state the importance of electronic configurations in formation of ion. You will also learn to recognize a compound as having ionic bonds, identify characteristics of ionic compounds.
After studying this chapter you will be able to effect on the volume of a gas by a change in the a. pressure b. temperature, compare the physical states of matter with regard to intermolecular forces present between them, account for pressure-volume changes in a gas using Boyle's Law. Explain the properties of liquids like evaporation, vapour pressure, boiling point.
After studying this chapter you will be able to define the terms: solution, aqueous solution, solute and solvent and give an example of each. Explain the difference between saturated, unsaturated and supersaturated solutions, use the rule that "like dissolves like" to predict the solubility of one substance in another.
After studying this chapter you will be able to define oxidation and reduction in terms of loss or gain of oxygen or hydrogen, define oxidation and reduction in terms of loss or gain electrons, identify the oxidizing and reducing agents in a redox reaction, identify the direction of movement of cations and anions towards respective electrodes.
After studying this unit you will be able to show how cation and anion are related to the terms metals and non-metals, explain Alkali metals are not found in the free state in nature, explain the differences in ionization energies of Alkali and alkaline earth metals. You will also learn to differentiate between soft and hard metals (iron sodium).